The curved surface area of a right circular cone is

MATHEMATICS · Multi-part · CBSE · Mathematics · Surface Areas and Volumes · Surface Areas and Volumes

Problem

308\,\text{cm}^{2}

. Its slant height is

14\,\text{cm}

(take

\pi = \tfrac{22}{7}

). (a) Find the radius of the base. (b) Calculate the vertical height of the cone.